:root{color-scheme:light;--bg: #eef2ef;--panel: #fbfcfb;--text: #15231c;--muted: #5f6f66;--line: #d5ddd8;--line-strong: #b8c4bc;--accent: #0d6e56;--accent-hover: #0a5844;--accent-soft: #e3f2ec;--on-accent: #fff;--user: #e7f3ee;--assistant: transparent;--danger: #b42318;--danger-bg: #fff1f0;--btn-blue: #2563eb;--btn-blue-hover: #1d4ed8;--btn-gray: #3f4743;--btn-gray-hover: #2f3632;--btn-maroon: #7a2e2e;--btn-maroon-hover: #622424;--code-bg: #14201b;--code-head: #0d1612;--code-fg: #e7efea;--code-muted: #8fa399;--code-border: #24352e;--code-hint: #b7c7be;--surface: #ffffff;--hover-fill: #ffffff;--app-glow-1: #d9ebe3;--app-glow-2: #e7eee9;--app-grad-top: #f5f7f5;--app-grad-bottom: #e8eee9;--shadow: rgb(21 35 28 / .12);--error-border: #f0b4b0;--composer-divider: #eef2ef;--success: #2f9e6b;--overlay: rgb(18 28 24 / .45);--toggle-track: #c5d0c9;--toggle-knob: #ffffff;--radius: 10px;--radius-sm: 8px;--space: 12px;--font: "Pretendard", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono: "IBM Plex Mono", ui-monospace, monospace;font-family:var(--font);color:var(--text);background:var(--bg);font-feature-settings:"ss06" 1,"kern" 1;letter-spacing:-.015em;-webkit-font-smoothing:antialiased}[data-theme=dark]{color-scheme:dark;--bg: #101714;--panel: #171f1c;--text: #e6eee9;--muted: #8b9d94;--line: #2c3a34;--line-strong: #41554b;--accent: #4ecfa8;--accent-hover: #6fdcba;--accent-soft: #1c332c;--on-accent: #062018;--user: #1e342d;--danger: #f08078;--danger-bg: #3a2220;--btn-blue: #5b8def;--btn-blue-hover: #7aa3f4;--btn-gray: #6b7671;--btn-gray-hover: #7d8883;--btn-maroon: #c45c5c;--btn-maroon-hover: #d07070;--code-bg: #0c1411;--code-head: #080e0b;--code-fg: #e7efea;--code-muted: #8fa399;--code-border: #1a2823;--code-hint: #b7c7be;--surface: #1e2824;--hover-fill: #26332e;--app-glow-1: #1a2c26;--app-glow-2: #15221e;--app-grad-top: #141c19;--app-grad-bottom: #0e1512;--shadow: rgb(0 0 0 / .45);--error-border: #7a3a36;--composer-divider: #2c3a34;--success: #4ade80;--overlay: rgb(0 0 0 / .55);--toggle-track: #3a4a43;--toggle-knob: #f4f7f5}*{box-sizing:border-box}html,body,#root{margin:0;height:100%;background:var(--bg);color:var(--text)}body{overflow:hidden}button,input,textarea,select{font:inherit}.app{position:relative;display:flex;flex-direction:column;height:100%;background:radial-gradient(900px 320px at 100% -10%,var(--app-glow-1) 0%,transparent 55%),radial-gradient(700px 280px at -10% 0%,var(--app-glow-2) 0%,transparent 50%),linear-gradient(180deg,var(--app-grad-top) 0%,var(--app-grad-bottom) 100%)}.main{position:relative;flex:1;min-height:0;display:flex;flex-direction:column}.main-sheet-overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:30;display:flex;flex-direction:column;overflow-y:auto;overscroll-behavior:contain;padding:8px 14px 6px;background:color-mix(in srgb,var(--panel) 78%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-sizing:border-box}.main-sheet-overlay-spacer{flex:1 1 auto;min-height:0;pointer-events:none}.drop-overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:16;pointer-events:none;display:flex;align-items:center;justify-content:center;margin:8px;border:2px dashed var(--accent);border-radius:12px;background:color-mix(in srgb,var(--accent-soft) 82%,transparent);color:var(--accent-hover);font-size:14px;font-weight:650;letter-spacing:-.02em}.header{position:relative;z-index:20;padding:4px 40px 4px 10px;border-bottom:1px solid color-mix(in srgb,var(--line) 80%,transparent);background:color-mix(in srgb,var(--panel) 78%,transparent);-webkit-backdrop-filter:blur(12px) saturate(1.1);backdrop-filter:blur(12px) saturate(1.1)}.header-top{display:flex;justify-content:space-between;gap:8px;align-items:center;height:26px;min-height:26px}.header-brand{min-width:0;flex:1}.model-label{margin:0;padding:2px 6px;color:var(--text);font-size:13.5px;font-weight:700;letter-spacing:-.015em;max-width:240px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;line-height:1.2;display:flex;align-items:center;height:100%;box-sizing:border-box}.provider-model-select{position:relative;width:100%;max-width:100%}.provider-model-select-trigger{display:flex;align-items:center;gap:8px;width:100%;margin:0;padding:2px 28px 2px 6px;border:1px solid transparent;border-radius:7px;background-color:transparent;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 14px) 50%,calc(100% - 9px) 50%;background-size:5px 5px,5px 5px;background-repeat:no-repeat;color:var(--text);font:inherit;font-size:13.5px;font-weight:700;letter-spacing:-.015em;line-height:1.2;text-align:left;cursor:pointer;transition:border-color .15s ease,background-color .15s ease}.provider-model-select-label{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.provider-model-own-key{display:inline-flex;align-items:center;flex-shrink:0;line-height:0;color:var(--accent)}.provider-model-icon{flex-shrink:0;width:20px;height:20px;border-radius:4px;object-fit:contain;background:transparent}.provider-model-select-trigger:hover:not(:disabled){border-color:var(--line);background-color:color-mix(in srgb,var(--panel) 90%,transparent)}.provider-model-select-trigger:focus{outline:none;border-color:color-mix(in srgb,var(--accent) 55%,var(--line));box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 16%,transparent)}.provider-model-select-trigger:disabled{opacity:.55;cursor:not-allowed}.provider-model-select-menu{position:absolute;top:calc(100% + 4px);left:0;right:0;z-index:40;max-height:min(360px,calc(100vh - 80px));overflow:auto;padding:6px;border:1px solid var(--line);border-radius:10px;background:var(--surface);box-shadow:0 10px 28px var(--shadow)}.provider-model-select-group+.provider-model-select-group{margin-top:6px;padding-top:6px;border-top:1px solid color-mix(in srgb,var(--line) 80%,transparent)}.provider-model-select-group-label{display:flex;align-items:center;gap:8px;padding:6px 8px;font-size:13px;font-weight:600;letter-spacing:.01em;color:var(--muted)}.provider-model-select-group-label .provider-model-icon{width:20px;height:20px;border-radius:4px}.provider-model-select-option{display:flex;align-items:center;justify-content:space-between;gap:8px;width:100%;margin:0;padding:7px 8px 7px 36px;border:none;border-radius:7px;background:transparent;color:var(--text);font:inherit;font-size:12.5px;font-weight:500;text-align:left;cursor:pointer}.provider-model-select-option-title{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.provider-model-select-option-lock{display:inline-flex;align-items:center;flex-shrink:0;color:var(--muted);line-height:0}.provider-model-select-option:hover:not(:disabled),.provider-model-select-option:focus:not(:disabled){outline:none;background:var(--accent-soft)}.provider-model-select-option.is-selected{background:color-mix(in srgb,var(--accent-soft) 80%,var(--surface));color:var(--accent-hover);font-weight:600}.provider-model-select-option.is-locked{color:var(--muted);cursor:not-allowed;opacity:.72}.provider-model-select-option.is-locked:hover,.provider-model-select-option.is-locked:focus{background:transparent}.header-model-select .provider-model-select-trigger{font-size:13.5px;font-weight:700}.settings .provider-model-select-trigger{width:100%;border:1px solid var(--line);border-radius:var(--radius-sm);padding:9px 28px 9px 11px;color:var(--text);background-color:var(--surface);font-size:13px;font-weight:500}.settings .provider-model-select-trigger:hover:not(:disabled){border-color:var(--line-strong);background-color:var(--surface)}.settings .provider-model-select-trigger:focus{border-color:color-mix(in srgb,var(--accent) 55%,var(--line));box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 16%,transparent)}.header-actions{display:flex;gap:4px;flex-shrink:0}.header .icon-btn{width:26px;height:26px;padding:0;border-radius:7px}.header .icon-btn svg{width:16px;height:16px}.icon-btn,.btn{border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:var(--radius-sm);padding:7px 11px;cursor:pointer;font-size:12.5px;font-weight:500;letter-spacing:-.01em;transition:background .15s ease,border-color .15s ease,color .15s ease,transform .15s ease}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;padding:0;flex-shrink:0}.icon-btn svg{display:block}.icon-btn:hover,.btn:hover:not(:disabled){border-color:var(--line-strong);background:var(--hover-fill)}.icon-btn:active,.btn:active:not(:disabled){transform:translateY(1px)}.icon-btn.primary,.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}.icon-btn.primary:hover,.btn.primary:hover:not(:disabled){background:var(--accent-hover);border-color:var(--accent-hover)}.icon-btn.danger,.btn.danger{background:var(--danger);border-color:var(--danger);color:#fff}.icon-btn.danger:hover,.btn.danger:hover:not(:disabled){background:#9f1d14;border-color:#9f1d14;color:#fff}.btn.blue,.icon-btn.blue{background:var(--btn-blue);border-color:var(--btn-blue);color:#fff}.btn.blue:hover:not(:disabled),.icon-btn.blue:hover:not(:disabled){background:var(--btn-blue-hover);border-color:var(--btn-blue-hover)}.btn.gray,.icon-btn.gray{background:var(--btn-gray);border-color:var(--btn-gray);color:#fff}.btn.gray:hover:not(:disabled),.icon-btn.gray:hover:not(:disabled){background:var(--btn-gray-hover);border-color:var(--btn-gray-hover)}.btn.maroon,.icon-btn.maroon{background:var(--btn-maroon);border-color:var(--btn-maroon);color:#fff}.btn.maroon:hover:not(:disabled),.icon-btn.maroon:hover:not(:disabled){background:var(--btn-maroon-hover);border-color:var(--btn-maroon-hover)}.icon-btn:disabled,.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}.settings{position:absolute;top:0;right:0;bottom:0;left:0;z-index:30;margin:0;padding:0;border:none;border-radius:0;background:var(--panel);display:flex;flex-direction:column;min-height:0;overflow:hidden;animation:panel-in .18s ease-out}.settings-header{flex-shrink:0;background:var(--panel);-webkit-backdrop-filter:none;backdrop-filter:none}.settings-header .header-top{height:26px;min-height:26px}.settings-header .header-brand{display:flex;align-items:center;gap:2px;min-width:0}.settings-header .model-label{max-width:none;gap:.35em}.settings-body{flex:1;min-height:0;overflow:auto;padding:16px 14px 20px;display:grid;align-content:start;gap:14px}@keyframes panel-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.settings label,.settings-field{display:grid;gap:6px;font-size:12px;font-weight:500;color:var(--muted);letter-spacing:-.01em}.settings-field-label{display:inline-flex;align-items:center;gap:7px}.settings-field-label svg{flex-shrink:0;color:var(--text);opacity:.78}.settings-field.settings-toggle-field{display:flex;flex-direction:row;align-items:center;justify-content:space-between;gap:12px}.toggle{-webkit-appearance:none;-moz-appearance:none;appearance:none;position:relative;flex-shrink:0;width:40px;height:22px;padding:0;border:none;border-radius:999px;background:var(--toggle-track);cursor:pointer;transition:background .18s ease}.toggle:focus-visible{outline:none;box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 28%,transparent)}.toggle[aria-checked=true]{background:var(--accent)}.toggle-knob{position:absolute;top:2px;left:2px;width:18px;height:18px;border-radius:50%;background:var(--toggle-knob);box-shadow:0 1px 3px #00000038;pointer-events:none;transition:transform .18s ease}.toggle[aria-checked=true] .toggle-knob{transform:translate(18px)}.settings-provider-label{display:inline-flex;align-items:center;flex-wrap:wrap;gap:6px}.settings-provider-label .provider-model-icon{width:16px;height:16px}.settings-key-link{margin-left:2px;font-size:11px;font-weight:500;letter-spacing:-.01em;color:var(--btn-blue);text-decoration:underline;word-break:break-all}.settings-key-link:hover{color:var(--btn-blue-hover)}.settings input[type=text],.settings input[type=password],.settings select,.settings textarea{width:100%;border:1px solid var(--line);border-radius:var(--radius-sm);padding:9px 11px;color:var(--text);background:var(--surface);transition:border-color .15s ease,box-shadow .15s ease}.settings textarea{min-height:64px;resize:vertical;line-height:1.45}.settings input:focus,.settings select:focus,.settings textarea:focus{outline:none;border-color:color-mix(in srgb,var(--accent) 55%,var(--line));box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 16%,transparent)}.settings-field-hint{font-size:11px;font-weight:450;line-height:1.4;color:var(--muted)}.settings-account{display:grid;gap:8px;padding-bottom:12px;margin-bottom:4px;border-bottom:1px solid var(--line)}.settings-account-status{margin:0;font-size:12px;font-weight:500;color:var(--muted)}.settings-account-plan{margin:0;font-size:13px;font-weight:650;color:var(--text)}.settings-billing-btn{border-color:color-mix(in srgb,var(--accent) 35%,var(--line));background:var(--accent-soft)}.settings-account-loading{display:flex;align-items:center;gap:10px;min-height:72px}.settings-account-spinner{width:18px;height:18px;flex-shrink:0;border:2px solid color-mix(in srgb,var(--muted) 35%,transparent);border-top-color:var(--accent);border-radius:50%;animation:settings-account-spin .7s linear infinite}@keyframes settings-account-spin{to{transform:rotate(360deg)}}.settings-account-error{margin:0;font-size:12px;color:#b42318}.settings-auth-btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;margin:0;border:1px solid var(--line);border-radius:var(--radius-sm);padding:9px 11px;color:var(--text);background:var(--surface);cursor:pointer;text-align:center;font:inherit;font-size:13px;font-weight:600}.settings-auth-btn:hover:not(:disabled){border-color:color-mix(in srgb,var(--accent) 40%,var(--line))}.settings-auth-btn:disabled{opacity:.65;cursor:default}.settings-section-label{margin-top:4px;font-size:12px;font-weight:600;letter-spacing:-.01em;color:var(--text)}.settings-nav-btn{display:flex;align-items:center;justify-content:space-between;gap:8px;width:100%;margin:0;border:1px solid var(--line);border-radius:var(--radius-sm);padding:9px 11px;color:var(--text);background:var(--surface);cursor:pointer;text-align:left;font:inherit;font-size:13px;font-weight:500}.settings-nav-btn:hover:not(:disabled){border-color:color-mix(in srgb,var(--accent) 40%,var(--line))}.settings-nav-btn:disabled,.settings-nav-btn.is-locked{opacity:.72;cursor:not-allowed;color:var(--muted)}.settings-nav-btn-chevron{font-size:18px;line-height:1;color:var(--muted)}.settings-nav-btn-lock{display:inline-flex;align-items:center;flex-shrink:0;color:var(--muted);line-height:0}.settings-usage{margin:4px 0 0;padding-top:10px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:4px}.settings-usage-title{margin:0;font-size:12px;font-weight:650;color:var(--muted)}.settings-usage-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:0 0 6px}.settings-usage-refresh{display:inline-flex;align-items:center;gap:5px;margin:0;padding:4px 8px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);color:var(--text);cursor:pointer;font:inherit;font-size:11px;font-weight:600;line-height:1;flex-shrink:0}.settings-usage-refresh:hover:not(:disabled){border-color:color-mix(in srgb,var(--accent) 40%,var(--line))}.settings-usage-refresh:disabled{opacity:.65;cursor:default}.settings-usage-refresh svg{display:block}.settings-usage-refresh:disabled svg{animation:settings-usage-spin .8s linear infinite}@keyframes settings-usage-spin{to{transform:rotate(360deg)}}.settings-usage-ratio{margin:0;font-size:14px;font-weight:650;line-height:1.4;font-variant-numeric:tabular-nums}.settings-usage-refill{margin:6px 0 0;font-size:11px;line-height:1.4;color:var(--muted)}.settings-usage-extra{margin:4px 0 0;font-size:11px;line-height:1.4;font-weight:600;color:var(--accent)}.settings-usage-row{display:flex;justify-content:space-between;gap:12px;font-size:12px;line-height:1.4;font-variant-numeric:tabular-nums}.settings-usage-error{margin:0;font-size:12px;color:var(--muted)}.settings-note{margin:0;font-size:11.5px;line-height:1.5;color:var(--muted)}.settings-version{font-size:11px;font-weight:700;font-variant-numeric:tabular-nums}.messages{flex:1;overflow:auto;padding:16px 14px;display:flex;flex-direction:column;gap:12px;scroll-behavior:smooth}.messages.is-streaming{scroll-behavior:auto}.messages.empty{justify-content:center;align-items:stretch}.empty-card{padding:4px 2px 8px;animation:fade-up .35s ease-out}@keyframes fade-up{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.empty-kicker{margin:0 0 8px;font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--accent)}.empty-card h2{margin:0 0 8px;font-size:20px;font-weight:600;letter-spacing:-.035em;line-height:1.25}.empty-card>p{margin:0;color:var(--muted);font-size:13.5px;line-height:1.55;max-width:34em}.empty-card ul{margin:16px 0 0;padding:0;list-style:none;display:grid;gap:8px}.empty-card li{margin:0;color:var(--text);font-size:13px;line-height:1.45;padding:10px 12px;border:1px solid var(--line);border-radius:var(--radius-sm);background:color-mix(in srgb,var(--surface) 70%,transparent)}.bubble{max-width:96%;border-radius:var(--radius);padding:10px 12px;word-break:break-word;animation:fade-up .22s ease-out}.bubble.user{position:relative;align-self:flex-end;margin-right:8px;background:var(--user);border:1px solid color-mix(in srgb,var(--accent) 18%,var(--line))}.bubble.user:before,.bubble.user:after{content:"";position:absolute;top:14px;width:0;height:0;border-style:solid;pointer-events:none}.bubble.user:before{right:-8px;border-width:6px 0 6px 8px;border-color:transparent transparent transparent color-mix(in srgb,var(--accent) 18%,var(--line))}.bubble.user:after{top:15px;right:-6px;border-width:5px 0 5px 7px;border-color:transparent transparent transparent var(--user)}.bubble.assistant{align-self:stretch;width:100%;max-width:100%;background:var(--assistant);border:none;padding-left:2px;padding-right:2px}.bubble-meta{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:11px;font-weight:600;letter-spacing:.02em;text-transform:uppercase;color:var(--muted);margin-bottom:5px;min-height:22px}.bubble-meta-label{display:inline-flex;align-items:center;gap:6px;min-width:0}.bubble-stats{display:flex;align-items:center;flex-wrap:wrap;gap:6px;width:100%;margin-top:8px;font-size:11px;font-weight:500;letter-spacing:0;color:var(--muted)}.bubble-stats .bubble-copy-btn{margin-left:auto}.bubble-duration,.bubble-credits{font-weight:500;letter-spacing:0;text-transform:none;font-variant-numeric:tabular-nums;color:color-mix(in srgb,var(--muted) 85%,var(--text))}.bubble-credits:before{content:"·";margin:0 4px;opacity:.65}.bubble-stats .bubble-credits:first-child:before{content:none;margin:0}.bubble-own-key{display:inline-flex;align-items:center;line-height:0;color:var(--accent)}.bubble.user .bubble-meta{color:color-mix(in srgb,var(--accent) 70%,var(--muted))}.bubble-copy-btn{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;padding:0;border:1px solid transparent;border-radius:6px;background:transparent;color:inherit;opacity:.55;cursor:pointer;flex-shrink:0;text-transform:none}.bubble-copy-btn:hover{opacity:1;background:color-mix(in srgb,var(--accent) 10%,transparent);border-color:color-mix(in srgb,var(--line) 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